138509120

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5479}}^1$

素因数の和:5575

約数の個数: 56

約数和(自身を含む): 334060800

約数和(自身を除く): 195551680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1264, 1580, 2528, 3160, 5056, 5479, 6320, 10958, 12640, 21916, 25280, 27395, 43832, 54790, 87664, 109580, 175328, 219160, 350656, 432841, 438320, 865682, 876640, 1731364, 1753280, 2164205, 3462728, 4328410, 6925456, 8656820, 13850912, 17313640, 27701824, 34627280, 69254560, 138509120]

約数ペア:

[(1, 138509120), (2, 69254560), (4, 34627280), (5, 27701824), (8, 17313640), (10, 13850912), (16, 8656820), (20, 6925456), (32, 4328410), (40, 3462728), (64, 2164205), (79, 1753280), (80, 1731364), (158, 876640), (160, 865682), (316, 438320), (320, 432841), (395, 350656), (632, 219160), (790, 175328), (1264, 109580), (1580, 87664), (2528, 54790), (3160, 43832), (5056, 27395), (5479, 25280), (6320, 21916), (10958, 12640)]